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Q: How long is the diagonal of a square if each side is 12 inches long?

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Each of them is 14.14 inches long. (rounded)

A square with a 30-inch diagonal measurement has sides of 21.21 inches in length.

Using Pythagoras each side is 26*sq rt of 2 which is 1352 when squared. So area of the square is 1352 square inches

If a square has an area of 86 square inches, each side is about 9.273 inches long.

26.4 inches for the diagonal.

Use Pythagoras. The diagonal, and two sides of the square form a right angled triangle. So if each side of the square is x cm long, the diagonal is x*sqrt(2) cm long.

6 inches on each side. To get square inches of a square you multiply length by width. So, 6 inches by 6 inches = 36 square inches.

6 inches.

The diagonal is 221.2 inches long.

Each side is six inches long.

Each side is 9 inches long

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The diagonal is 33.941 units.

The diagonal is 14.142 feet.

Using Pythagoras' theorem each side will be 6.363961031 units in length.

The area of square is : 225.0

To find the diagonal, use the Pythagorean theorem by drawing a diagonal through the square. You then have two sides that should equal the hypotenuse ( or diagonal). The equation should look like 8^2 + 8^2 = h^2. or 64+64= h. 128=h take the square root of 128 and you have your answer. the answer should be around 11.

well... the area of a square is side times side so the square root of 9 is 3.each side is 3 inches long

"784 inches area" is meaningless. If the area is 784 SQUARE inches, then each side of the square is 28 inches long.

9

36 inches

Each side would be 3 inches long and there are 4 sides, so 12 inches.

The diagonal of the garden is 20 meters.

The garden's diagonal is 10 meters.

It would be 9 inches squared.